(Answered) People end up tossing 12 of what they buy at the brocery

Statistics

People end up tossing 12% of what they buy at the brocery store. Assume this is the true population proportion and that you plan to take a sample survey of 264 grocery shoppers.

Compute the standard error of the sample proportion (use 2 decimal places)
What is the probability that your survey will provide a sample between 0.105 and 0.135?( answer using 4 decimal places)
What is the probability that the survey will provide a sample proportion less than 0.10? (Answer using 4 decimal places).

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